Reagent cassette



FIG. 1 is a rear view of a reagent cassette showing the new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is an elevation as seen from the opposite side of FIG. 2;

FIG. 5 is a bottom plan view as seen in the direction of line 5--5 of FIG. 3; and

FIG. 6 is a top plan view thereof as seen in the direction of line 6--6 of FIG. 3. 

The ornamental design for the reagent cassette, substantially as shown and described. 